Base | Representation |
---|---|
bin | 11101111111100010… |
… | …00100100000001101 |
3 | 1112120012011012120011 |
4 | 32333301010200031 |
5 | 230434131314040 |
6 | 11221450153221 |
7 | 1110012362200 |
oct | 167761044015 |
9 | 45505135504 |
10 | 16102213645 |
11 | 6913309491 |
12 | 3154722811 |
13 | 1697cc348b |
14 | aca77b937 |
15 | 6439863ea |
hex | 3bfc4480d |
16102213645 has 12 divisors (see below), whose sum is σ = 22477376124. Its totient is φ = 11041517760.
The previous prime is 16102213639. The next prime is 16102213667. The reversal of 16102213645 is 54631220161.
It is a happy number.
16102213645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 11770731049 + 4331482596 = 108493^2 + 65814^2 .
It is not a de Polignac number, because 16102213645 - 211 = 16102211597 is a prime.
It is a super-3 number, since 3×161022136453 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32861416 + ... + 32861905.
It is an arithmetic number, because the mean of its divisors is an integer number (1873114677).
Almost surely, 216102213645 is an apocalyptic number.
It is an amenable number.
16102213645 is a deficient number, since it is larger than the sum of its proper divisors (6375162479).
16102213645 is an equidigital number, since it uses as much as digits as its factorization.
16102213645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65723340 (or 65723333 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The spelling of 16102213645 in words is "sixteen billion, one hundred two million, two hundred thirteen thousand, six hundred forty-five".
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